Difference between revisions of "Timeline of telephony in Sweden"
From Timelines
| Line 6: | Line 6: | ||
! Time period !! Development summary | ! Time period !! Development summary | ||
|- | |- | ||
| − | | 1960s || Ericsson releases one of the world's first hands-free speaker telephones.<ref name="Scandinavian heritage: From 0G to 5G – Part 1"/> | + | | 1960s || Ericsson releases one of the world's first hands-free speaker telephones.<ref name="Scandinavian heritage: From 0G to 5G – Part 1"/> Swedish Telecom is active in promoting international efforts in the ITU to standardise modems intended for sending digital signals as tones over the analogue telephone network.<ref name="1920 – 1980 Automatic telephony and broadcasting"/> |
|- | |- | ||
|} | |} | ||
| Line 42: | Line 42: | ||
|- | |- | ||
| 1962 || || {{w|Ericsson}} upgrades the [[w:MTD (mobile network)|MTA]] and the [[w:MTD (mobile network)|Mobile System B]] (MTB) is introduced.<ref name="Scandinavian heritage: From 0G to 5G – Part 1"/> | | 1962 || || {{w|Ericsson}} upgrades the [[w:MTD (mobile network)|MTA]] and the [[w:MTD (mobile network)|Mobile System B]] (MTB) is introduced.<ref name="Scandinavian heritage: From 0G to 5G – Part 1"/> | ||
| + | |- | ||
| + | | 1962 || || The Datel service is introduced in Sweden, providing modems for the transmission of digital information via the telephone network on leased and switched lines.<ref name="1920 – 1980 Automatic telephony and broadcasting"/> | ||
|- | |- | ||
| 1971 || || The [[w:MTD (mobile network)|Mobile System D]] (MTD) version is launched, opening for several different brands of equipment. The MTD would gain commercial success. | | 1971 || || The [[w:MTD (mobile network)|Mobile System D]] (MTD) version is launched, opening for several different brands of equipment. The MTD would gain commercial success. | ||
Revision as of 13:19, 28 October 2017
This is a timeline of telephony in Sweden.
Contents
Big picture
| Time period | Development summary |
|---|---|
| 1960s | Ericsson releases one of the world's first hands-free speaker telephones.[1] Swedish Telecom is active in promoting international efforts in the ITU to standardise modems intended for sending digital signals as tones over the analogue telephone network.[2] |
Full timeline
| Year | Event type | Details | |
|---|---|---|---|
| 1878 | Swedish inventor Lars Magnus Ericsson begins making and selling his own telephone equipment. Ericsson would become a major supplier of telephone equipment to Scandinavia.[1] | ||
| 1911 | Wireless telegraphy to shipping in the North Sea is provided by the Swedish Telegraph Administration’s first coastal radio station in Gothenburg.[3] | ||
| 1918 | The Swedish Telegraph Administration acquires the Stockholmstelefon’s network. A merger of the two large telephone networks in Stockholm takes place. A national de facto monopoly on telephone service is established.[3] | ||
| 1920 | The Swedish Parliament decides to start automating the telephone call switching, to install a nationwide long distance telephone cable transmission system and to install a transatlantic wireless telegraph station for reliable communications with the United States.[2] | ||
| 1920 | A link at Swedish border town Haparanda opens telephony to Northern Finland.[2] | ||
| 1924 | The first large automatic telephone exchange opens in Stockholm. Equipped with LM Ericsson 500 point selector switches, it is developed from designs by engineers of the Telegraph Administration. A rotary dial is added to the telephones so that subscribers can set up their own calls.[2] | ||
| 1928 | The first telephone cable across the Baltic Sea via Åland facilitates telephony between Sweden and South and Central Finland.[2] | ||
| 1930 | Sweden introduces marine radio telephony via short wave. It can be connected to the telephone network, so that sailors at sea can call home. Fixed telephone service to most of the world via short wave radio would become possible towards the end of the decade.[2] | ||
| 1934 | The Swedish Telegraph Administration develops and introduces small crossbar stations. Chosen due to their robustness and little maintenance requirements, the small crossbar stations provide with rural automation to the Swedish telephone network.[2] | ||
| 1938 | A second telephone cable between Sweden and Finland is installed for the Olympic Games.[2] | ||
| 1953 | The Swedish Telegraph Administration changes its name from Telegrafverket to Televerket (Swedish Telecom) amidst the celebration of its centenary.[2] | ||
| 1956 | Ericcson introduces the world's first fully automatic mobile telephone system is introduced in Sweden. Named MTA (Mobiltelefonisystem A), it allows calls to be made and received in a car using a rotary dial.[1] | ||
| 1956 | The first fully automatic mobile telephone system for automobiles, MTA, is introduced in Stockholm and Gothenburg. The system would eventually reach 150 subscribers and last until 1969.[2] | ||
| 1962 | Ericsson upgrades the MTA and the Mobile System B (MTB) is introduced.[1] | ||
| 1962 | The Datel service is introduced in Sweden, providing modems for the transmission of digital information via the telephone network on leased and switched lines.[2] | ||
| 1971 | The Mobile System D (MTD) version is launched, opening for several different brands of equipment. The MTD would gain commercial success. | ||
| 1981 | The Nordic Mobile Telephone (NMT) network opens in Sweden. | ||
| 1983 | The MTD becomes obsolete | ||
| 1987 | The European Commission issues a "green paper", establishing the need for a long-term modernization of the European telecom market.[4] | ||
| 1993 | Televerket becomes Telia AB.[4] | ||
| 2000 | After a failed merger with the Norwegian telecom operator Telenor, almost 30% of the Swedish state´s Telia shares are sold on the Stockholm Stock Exchange. |
Meta information on the timeline
How the timeline was built
The initial version of the timeline was written by User:Sebastian.
Funding information for this timeline is available.
What the timeline is still missing
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
Timeline update strategy
See also
External links
References
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 "1920 – 1980 Automatic telephony and broadcasting". teliacompanyhistory.com. Retrieved 28 October 2017.
- ↑ 3.0 3.1 "1880 – 1920 Manual telephony". teliacompanyhistory.com. Retrieved 27 October 2017.
- ↑ 4.0 4.1 "Liberalization of the telephony markets". teliacompanyhistory.com. Retrieved 27 October 2017.
